add hyperdrive

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diff --git a/2024/talks/hyperdrive.md b/2024/talks/hyperdrive.md
index be76a045..3bb3ff56 100644
--- a/2024/talks/hyperdrive.md
+++ b/2024/talks/hyperdrive.md
@@ -43,6 +43,77 @@ mission is to promote personal, community, and global health through
 free and open universal shared information for everybody.
 
 See also: [EmacsConf - 2023 - talks - hyperdrive.el: Peer-to-peer filesystem in Emacs](https://emacsconf.org/2023/talks/hyperdrive/)
+# Discussion
+
+## Questions and answers
+
+-   Q: Hi there, thank you for your talk - I enjoyed watching it! I
+    tried this tool last year, and it seemed to work well - but I don\'t
+    know anyone who actually uses it. Network effects are tricky - do
+    you know of any public shares people can join to try this tool out
+    properly? Thank you!
+    -   A:  Yes, network effects are indeed tricky.  Hopefully, the peer
+        graph can help with this.  That said, here are some hyperdrives
+        I know of:
+    -   [https://ushin.org](https://ushin.org){rel="noreferrer noopener"} -
+        hyper://aaj45d88g4eenu76rpmwzjiabsof1w8u6fufq6oogyhjk1ubygxy/
+    -   [https://blog.mauve.moe](https://blog.mauve.moe){rel="noreferrer noopener"} -
+        hyper://1m51x54k3fwbuec5z4edbathiq3aj6bew8b556ezrszizskogo3o/
+    -   [https://hypha.coop](https://hypha.coop){rel="noreferrer noopener"} -
+        hyper://zdouwaei9kc5zbk93w5dakbr8maayupojthf3eafo16s4d5pbsry/
+-   Q:One usecase for this is sharing and building upon second
+    brains/zettelkastens\"denote or org-roam\" but a blocker from me
+    wanting to make one public is wanting to use a blocklist or
+    whitelist so I can make them containing useful information for only
+    my while also being useful with in a public sense
+    -   A: Rephrasing: how to keep the content of a Zettelkasten
+        private, and only have parts of it be public?
+    -   If the desire is only to share certain files in the
+        Zettelkasten, M-x hypedrive-mirror can do this
+        -   Can specify either a regexp that matches some of the files
+            that get uploaded to a directory of files on a machine (and
+            only those files will be shared)
+        -   It can also be a lambda, i.e. anything that can be
+            formulated as a function
+        -   E.g., with Karl Voit\'s filetags (or Prot\'s Denote
+            filenaming scheme), you could share only those files which
+            are tagged as \"public\".
+-   Q: idea: try hyperdrive to distribute WORG (and EmacsWiki)
+    -   A: Great idea!
+-   Q: Could you comment on the \"visualization\" thing, (org
+    visualization), and your experience with this type of content in
+    buffers and the various possibilities (svg, etc.)?
+    -   A:  We submited a patch which was merged in Emacs 30 to make
+        image maps (the \"overlay\" which makes images clickable and
+        have hover-over help-echo descriptions) transform along with the
+        image, e.g., if you zoom in on an image, the clickable map still
+        matches the zoomed-in image.
+    -   A: In hyperdrive-sbb-view.el, we build a Graphviz string based
+        on the peer relations data, then call out to the external
+        graphviz process twice, once for the svg and once for the
+        cmapx.  Then we build an image map based on the cmapx string. 
+        We put the image and image map together and render it in a
+        buffer.  I also adapted some code from image-mode.el to make the
+        image resize whenever the buffer\'s window resizes.  For
+        details, see
+        [https://git.sr.ht/\~ushin/hyperdrive.el/tree/master/item/hyperdrive-sbb-view.el](https://git.sr.ht/~ushin/hyperdrive.el/tree/master/item/hyperdrive-sbb-view.el){rel="noreferrer noopener"}
+    -   A: This approach is directly inspired by org-graph-view.el, by
+        Adam Porter (github alphapapa).
+-   Q:What is something surprising about how you or somebody else that
+    you didn\'t expect from using the hyperdrive network?
+    -   A: 
+-   Q: You mentioned streaming audio and video - could you confirm that
+    this is in reference to consumption of media, and not broadcasting
+    of it - right?
+    -   A: Since the network is peer-to-peer, audio and video is
+        streamed between peers.
+
+## Notes
+
+-   The \"sources, blockers, blocked\" idea was influenced by:
+    -   Alex Cobleigh :
+        [https://cblgh.org/trustnet](https://cblgh.org/trustnet){rel="noreferrer noopener"}
+
 
 [[!inline pages="internal(2024/info/hyperdrive-after)" raw="yes"]]